Use MySQL in development

sqlite3's behavior differs enough from MySQL's that it's not a good idea
to use sqlite3 for backend development, since what works in your development
environment might then not work on the real servers using MySQL.

Update the documentation and sample settings file to use MySQL.
[fix bug 930571] Switch to django-compressor.

* Switch from jingo-minify to django-compressor
* Add django-jingo-offline-compressor
* Update jenkins
* Update local.py dists
* Update Chief command
* Delete unused qunit files and related libs.
Mention that some OS distributions provide MySQL packages
Merge pull request #692 from glogiotatidis/compressor

[fix bug 930571] Switch to django-compressor.
Merge pull request #694 from dpoirier/bug-932950-migrate-from-scratch

Bug 932950 - Use MySQL in development
[Fix Bug 913373] word wrapping on profile url
[fix bug 934518] Regression: Missing interface elements
Merge pull request #698 from fxa90id/Bug_934518

[fix bug 934518] Regression: Missing interface elements
Merge pull request #696 from wraybowling/913373-website-url-needs-wrapping

[Fix Bug 913373] word wrapping on profile url
[Fix Bug 933907] fix order of logout.html js files
Merge pull request #697 from Sancus/933907-logout

[Fix Bug 933907] fix order of logout.html js files
Bug 934753 - Change link to Bugzilla external account to point to the new BMO User Profile
Merge pull request #700 from mnoorenberghe/bmo_user_profile

Bug 934753 - Change link to Bugzilla external account to point to the new BMO User Profile
[fix bug 746582] Don't let community stewards unjoin the group they are stewarding.
Merge branch 'master' into bug-920270-basket-api

Conflicts:
	mozillians/users/models.py
	vendor-local/src/basket-client